Exercise bench



FIG. 1 is a front perspective view of an exercise bench, showing my new design in a lowered position;

FIG. 2 is a rear perspective view thereof, illustrated in a raised position;

FIG. 3 is a front elevational view of FIG. 2;

FIG. 4 is a rear elevational view of FIG. 2;

FIG. 5 is a right-side elevational view of FIG. 2;

FIG. 6 is a left-side elevational view of FIG. 2;

FIG. 7 is a top plan view of FIG. 2; and,

FIG. 8 is a bottom plan view of FIG. 2.

The broken lines in the drawings showing the exercise bench illustrate the portions of the exercise bench that form no part of the claimed design. 

CLAIM The ornamental design for an exercise bench, as shown and described. 